Aggregate window functions

There are several aggregate window functions available to you. In this exercise, we will look at reviewing multiple aggregates over the same window.

Our window this time will be the entire data set, meaning that our OVER() clause will remain empty.

This exercise is part of the course

Time Series Analysis in SQL Server

View Course

Exercise instructions

Fill in the correct aggregate function for each column in the result set.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

SELECT
	ir.IncidentDate,
	ir.NumberOfIncidents,
    -- Fill in the correct aggregate functions
    -- You do not need to fill in the OVER clause
	___(ir.NumberOfIncidents) OVER () AS SumOfIncidents,
	___(ir.NumberOfIncidents) OVER () AS LowestNumberOfIncidents,
	___(ir.NumberOfIncidents) OVER () AS HighestNumberOfIncidents,
	___(ir.NumberOfIncidents) OVER () AS CountOfIncidents
FROM dbo.IncidentRollup ir
WHERE
	ir.IncidentDate BETWEEN '2019-07-01' AND '2019-07-31'
AND ir.IncidentTypeID = 3;

Edit and Run Code